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  • Sundell, Jonas, et al. (författare)
  • Comprehensive risk assessment of groundwater drawdown induced subsidence
  • 2019
  • Ingår i: Riskhantering vid grundvattensänkning i sättningskänsliga områden: Kostnads-nyttoanalys av säkerhetshöjande åtgärder i infrastrukturprojekt.
  • Tidskriftsartikel (refereegranskat)abstract
    • We present a method for risk assessment of groundwater drawdown induced land subsidence when planning for sub-surface infrastructure. Since groundwater drawdown and related subsidence can occur at large distances from the points of inflow, the large spatial extent often implies heterogeneous geological conditions that cannot be described in complete detail. This calls for estimation of uncertainties in all components of the cause-effect chain with probabilistic methods. In this study, we couple four probabilistic methods into a comprehensive model for economic risk quantification: a geostatistical soil-stratification model, an inverse calibrated groundwater model, an elasto-plastic subsidence model, and a model describing the resulting damages and costs on individual buildings and constructions. Groundwater head measurements, hydraulic tests, statistical analyses of stratification and soil properties and an inventory of buildings are inputs to the models. In the coupled method, different design alternatives for risk reduction measures are evaluated. Integration of probabilities and damage costs result in an economic risk estimate for each alternative. Compared with the risk for a reference alternative, the best prior alternative is identified as the alternative with the highest expected net benefit. The results include spatial probabilistic risk estimates for each alternative where areas with significant risk are distinguished from low-risk areas. The efficiency and usefulness of this modelling approach as a tool for communication to stakeholders, decision support for prioritization of risk reducing measures, and identification of the need for further investigations and monitoring are demonstrated with a case study of a planned railway tunnel in Varberg, Sweden.
  • Dymitrow, Mirek, et al. (författare)
  • Crossing dichotomies and breaking mental patterns: Green business development when all else fails?
  • 2017
  • Ingår i: 8th International Scientific Conference “Rural Development 2017: Bioeconomy Challenges”, 23–24 November, 2017 Kaunas, Lithuania.
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • Obtaining sustainable and inclusive societal organization is not merely a simple matter of ‘doing it’ by subscribing to some winning formula. Given that conceptual frameworks always guide our thoughts, judgments and actions (Latour, 2013; Harvey, 1996; Dennett, 1993), the ways in which we relate to concepts chosen to serve as guiding forces for future development will eventually determine its outcome. As scholarly evidence continuously suggests the concepts ‘rural’ and ‘urban’ are increasingly recognized as artificial barriers for conducting sound and integrated development endeavors in a globalized reality of interconnectedness. In line with the Sustainable Development Goals, which aim to eradicate poverty, shield the planet and safeguard prosperity for all, commitment to universal access to healthy food year round has become an important agenda point. This, however, has been exacerbated by binary thinking and separate ways of doing policy. This paper aims to share experiences from a unique project launched in the northern parts of Gothenburg, Sweden’s second largest city. While the area offers ample resources and immense opportunities for areal economies, it at the same time remains one of Gothenburg’s most segregated, with high levels of unemployment, ill health and crime. The uniqueness of the project lies not only in its way of abridging the rural-urban divide, but also by consciously deferring from the debilitating rhetoric of previous ‘immigrant policies’, and instead focusing on agricultural productivity, small-scale food producers and sustainable food strategies. Such exhortations to bridge between philosophical and material polarities, however, have not come without conceptual and practical challenges, something this paper aims to subsume and open up to debate.
  • Ask, Anna, et al. (författare)
  • Studenters uppmärksamhet under föreläsningar
  • 2009
  • Ingår i: Lunds universitets utvecklingskonferens, 2009,Lund, Sweden,2009-09-24 - 2009-09-24. - Lund University.
  • Konferensbidrag (refereegranskat)abstract
    • Föreläsningar är vanlig undervisningsform på Lunds Tekniska Högskola (LTH). Deras stora fördel är att information överförs ekonomiskt och effektivt till många studenter samtidigt men de har även sina begränsningar. Kritiker menar att information överförs till passivt mottagande studenter och att bristande uppmärksamhet och engagemang hos studenterna begränsar mängden kunskap som faktiskt tas emot. En intervju- och litteraturstudie har genomförts för att dels inventera vilka metoder som finns för att hålla studenternas uppmärksamhet uppe och dels vilka som tillämpas av föreläsare vid LTH. Variation och olika former av aktivering framstår såväl i litteraturen som i intervjuerna som viktiga metoder. I artikeln presenteras även inspiration kring hur man kan använda variation, och andra aktiviteter för att engagera och aktivera studenterna samt hur man kan strukturera en föreläsning. De flesta av de intervjuade föreläsarna uppger att de utvecklat sina strategier genom erfarenhet medan knappt hälften nämner pedagogiska kurser.
  • Hagbert, Pernilla, 1986-, et al. (författare)
  • Reducing water consumption
  • 2012
  • Ingår i: 1st RESPONDER Knowledge Brokerage Event on Sustainable Housing, 28-30 March, 2012, Barcelona, Spain.
  • Konferensbidrag (övrigt vetenskapligt)
  • Kharazmi, Parastou, 1977- (författare)
  • Experimental evaluation of a rubber-epoxy polymeric system used in the rehabilitation of sewer infrastructure- Dataset
  • 2019
  • Annan publikation (övrigt vetenskapligt)abstract
    • <p>This dataset includes data related to water sorption analyses to support research findings stated in the article:"Experimental evaluation of a rubber-epoxy polymeric system used in the rehabilitation of sewer infrastructure: a case study in Sweden" with the following abstract: </p><p>one rehabilitation method used to prolong the service life of waste-water sewer pipes in residential buildings in Sweden is to apply a coating, based on an epoxy resin system that is modified with rubber, to the inner surface of the deteriorated pipe. To understand the material’s performance and stability in operation, the properties of the material were studied in the laboratory under water and air aging conditions. Changes in the material were monitored by conducting thermal, mechanical and water absorption analyses. Results showed that the mechanical properties of the material after water aging decreased significantly compared to material that was subject to dry aging. The material absorbed water over a long period of time, and the water uptake rate was found to be highest at higher temperatures. The material can thus be said to be more sensitive when high temperature is combined with water exposure; therefore, the performance of this liner material is expected to be better in places where constant exposure to water is not required.</p>
  • Mangold, Mikael, 1982-, et al. (författare)
  • Who benefits? Effects and perceptions of residential volumetric water billing
  • 2012
  • Ingår i: 2nd Nordic Conference on Consumer Research, 29 May-1 June, 2012, Göteborg.
  • Konferensbidrag (refereegranskat)abstract
    • What are the effects and perceptions of increased installation of water metering and volumetric billing in residential areas in Sweden? An interview study was undertaken in a low-income suburb of Göteborg to explore residents’ experiences and opinions. Additionally, the interests of water and energy companies, social affairs committee, real estate owner and maintainer were investigated to contrast the added value of reduced water consumption. Stakeholders either benefit or are disadvantaged by the introduced system. Furthermore, the applied tariff structure fails to motivate all segments of the population to reduce water consumption, yet still inequitably burdens the most financially exposed groups.
  • Mc Conville, Jennifer R, 1978-, et al. (författare)
  • Bridging sanitation engineering and planning: theory and practice in Burkina Faso
  • 2011
  • Ingår i: Journal of Water Sanitation and Hygiene for Development. - 2043-9083. ; 1:3, s. 205-212
  • Tidskriftsartikel (refereegranskat)abstract
    • The global challenge of providing sanitation services to the un-served underlines a need to change the way in which sanitation planning and service provision is approached. This paper offers a framework for categorizing sanitation projects planning processes based on planning steps and procedural planning theory to help engineers and sanitation planners gain a deeper understanding of the dynamics of these processes. The analysis identifies and discusses trends in both guidelines and actual sanitation programs. The results show that contemporary sanitation planning guidelines and field projects utilize patchwork processes of different planning modes, although the step of designing options is dominated by an expert-driven, rational-comprehensive approach. The use of planning theory can help engineers to ask critical questions about the objectives of the planning process and to develop context-appropriate planning processes that will make a difference for improving sanitation service provision.
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